<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['shop:shopBanner:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['shop:shopBanner:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['shop:shopBanner:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          v-show="shopCategory.show"
          :disabled="shopCategory.disabled"
          @click="setBanner"
          v-hasPermi="['shop:shopBanner:edit']"
        >选中banner</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['shop:shopBanner:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="shopBannerList" @selection-change="handleSelectionChange"  @row-click="clickRow">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" v-if="true"/>
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="类型" align="center" prop="type" />
      <el-table-column label="界面" align="center" prop="page" />
      <el-table-column label="参数" align="center" prop="param" />
      <el-table-column label="banner图" align="center" prop="ossUrl">
        <template slot-scope="scope">
          <ImagePreview
            :width=100 :height=100
            :src="scope.row.ossUrl"
            :preview-src-list="[scope.row.ossUrl]"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['shop:shopBanner:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['shop:shopBanner:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改广告banner对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="70%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="banner图" prop="icon">
              <imageUpload v-model="imageUploadValue" :limit="1" @fileList="getImageUrl"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="标题" prop="title">
              <el-input v-model="form.title" placeholder="请输入标题" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="界面" prop="page">
              <el-input v-model="form.page" placeholder="请输入界面" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="参数" prop="param">
              <el-input v-model="form.param" placeholder="请输入参数" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="跳转url" prop="url">
              <el-input v-model="form.url" placeholder="请输入点击banner跳转到url" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="类型" prop="type">
              <el-select v-model="form.type" placeholder="请选择">
                <el-option
                  v-for="item in options"
                  :key="item.value"
                  :label="item.label"
                  :value="item.value">
                </el-option>
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listShopBanner, getShopBanner, delShopBanner, addShopBanner, updateShopBanner } from "@/api/shop/shopBanner";
import { setCategoryBanner } from "@/api/shop/shopCategory";

export default {
  name: "ShopBanner",
  data() {
    return {
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 广告banner表格数据
      shopBannerList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        idFile: undefined,
        page: undefined,
        param: undefined,
        title: undefined,
        type: undefined,
        url: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        id: [
          { required: true, message: "不能为空", trigger: "blur" }
        ],
        title: [
          { required: true, message: "标题不能为空", trigger: "blur" }
        ],
      },
      shopCategory:{
        id:undefined,
        show:false,
        disabled:true
      },
      options: [
        { label: '首页', value: 'index' },
        { label: '新闻', value: 'news' },
        { label: '产品', value: 'product' },
        { label: '解决方案', value: 'solution' },
        { label: '案例', value: 'case' }
      ],
      imageUploadValue: []
    };
  },
  created() {
    this.shopCategory.id = this.$route.query.idCategory;
    if(this.shopCategory.id){
      this.shopCategory.show = true
    }
    this.getList();
  },
  methods: {
    /** 查询广告banner列表 */
    getList() {
      this.loading = true;
      listShopBanner(this.queryParams).then(response => {
        this.shopBannerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.imageUploadValue=[];
      this.form = {
        id: undefined,
        ossId: undefined,
        ossUrl: undefined,
        page: undefined,
        param: undefined,
        title: undefined,
        type: undefined,
        url: undefined,
        createBy: undefined,
        createTime: undefined,
        updateBy: undefined,
        updateTime: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    clickRow(row){
      this.shopCategory.disabled=false
      this.shopCategory.idBanner = row.id
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加广告banner";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const id = row.id || this.ids
      getShopBanner(id).then(response => {
        this.loading = false;
        this.form = response.data;
        if(this.form.ossId){
          this.imageUploadValue = [{ossId: this.form.ossId,url: this.form.ossUrl}];
        }
        this.open = true;
        this.title = "修改广告banner";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.id != null) {
            updateShopBanner(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          } else {
            addShopBanner(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除广告banner编号为"' + ids + '"的数据项？').then(() => {
        this.loading = true;
        return delShopBanner(ids);
      }).then(() => {
        this.loading = false;
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      }).finally(() => {
        this.loading = false;
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('shop/shopBanner/export', {
        ...this.queryParams
      }, `shopBanner_${new Date().getTime()}.xlsx`)
    },
    setBanner(){
      if( this.shopCategory.idBanner) {
        setCategoryBanner(this.shopCategory.id, this.shopCategory.idBanner).then(response => {
          this.$message({
            message: '设置成功',
            type: 'success'
          })
          this.shopCategory.disabled = true
        })
      }else{
        this.$message({
          message: '请先选中要设置的banner',
          type: 'warning'
        })
      }
    },
    getImageUrl(fileList){
      if(fileList.length == 1){
        this.form.ossId = fileList[0].ossId;
        this.form.ossUrl = fileList[0].url;
      }else{
        this.form.ossId = "";
        this.form.ossUrl = "";
      }
    },
  }
};
</script>
